Model digestive system

Question 1

Aim?

Answer 1

To understand how a model can show what can happen in a digestive system

Question 2

Equipment?

Answer 2

Thistle funnel
beaker
cellphone sheet
piece of cotton thread
starch
glucose
solution
iodine with trapper
Benedict solution
trapper
hot water
retort stand
test tube

Question 3

Result?

Answer 3

Time Result of Result of Conclusion
starch test glucose test

Beginning N N Not present
After days N P Only glucose
molecules
present

Question 4

What does the Visking tubing represent?

Answer 4

The food we eat

Question 5

The boiling tube liquid represents blood. Are starch and glucose present in the boiling tube liquid?

Answer 5

Starch isn’t but glucose is

Question 6

Why are starch particles not found outside of the Visking tubing?

Answer 6

They are large molecules and cannot pass through the cellphone

Question 7

What does the model show you about the way carbohydrates are absorbed in the small intestine?

Answer 7

Carbohydrates must be broken down into smaller molecules before they are absorbed

Question 8

Is this a good or bad model?

Answer 8

This is a good model because it shows the absorption of carbs and glucose in the small intestine